Biomagnification refers to increase in concentration of the toxicant at successive trophic levels due to accumulation of a toxic substance by an organism. The toxic Read More …
Category: ENVIRONMENTAL ISSUES
Mention the advantages of CNG over petrol / diesel in controlling vehicular pollution.
CNG burns most efficiently, so less air pollution. unlike petrol or diesel, very little of it is left unburnt. CNG is cheaper than petrol or Read More …